<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');


/* ADDED PURELY TO AVOID BUG LISTED HERE:
 * http://codeigniter.com/forums/viewthread/112390/
 *
 * Basically with $config['enable_query_strings'] enabled, we cannot stop
 * this class from using the rubbish query string style links for pagination
 * even if $config['page_query_string'] = FALSE; is passed to pagination/
 *
 * DELETE THIS EXTENTION AS SOON AS THIS BUG IS RESOLVED!!
 */


class MY_Pagination extends CI_Pagination {

	// --------------------------------------------------------------------

	/**
	 * Generate the pagination links
	 *
	 * @access	public
	 * @return	string
	 */
	function create_links()
	{
		// If our item count or per-page total is zero there is no need to continue.
		if ($this->total_rows == 0 OR $this->per_page == 0)
		{
		   return '';
		}

		// Calculate the total number of pages
		$num_pages = ceil($this->total_rows / $this->per_page);

		// Is there only one page? Hm... nothing more to do here then.
		if ($num_pages == 1)
		{
			return '';
		}

		// Determine the current page number.
		$CI =& get_instance();

		if (($CI->config->item('enable_query_strings') === TRUE AND $this->page_query_string !== FALSE) OR $this->page_query_string === TRUE)
		{
			if ($CI->input->get($this->query_string_segment) != 0)
			{
				$this->cur_page = $CI->input->get($this->query_string_segment);

				// Prep the current page - no funny business!
				$this->cur_page = (int) $this->cur_page;
			}
		}
		else
		{
//			if ($CI->uri->segment($this->uri_segment) != 0)
//			{
//				echo $this->uri_segment; exit();
//				$this->cur_page = $this->uri_segment;
//
//				// Prep the current page - no funny business!
//				$this->cur_page = (int) $this->cur_page;
//			}
			//echo $this->uri_segment; exit();
			$this->cur_page = $this->uri_segment;
		}

		$this->num_links = (int)$this->num_links;

		if ($this->num_links < 1)
		{
			show_error('Your number of links must be a positive number.');
		}

		if ( ! is_numeric($this->cur_page))
		{
			$this->cur_page = 0;
		}

		// Is the page number beyond the result range?
		// If so we show the last page
		if ($this->cur_page > $this->total_rows)
		{
			$this->cur_page = ($num_pages - 1) * $this->per_page;
		}

		$uri_page_number = $this->cur_page;
		$this->cur_page = floor(($this->cur_page/$this->per_page) + 1);

		// Calculate the start and end numbers. These determine
		// which number to start and end the digit links with
		$start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
		$end   = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;

		// Is pagination being used over GET or POST?  If get, add a per_page query
		// string. If post, add a trailing slash to the base URL if needed
		if (($CI->config->item('enable_query_strings') === TRUE AND $this->page_query_string !== FALSE) OR $this->page_query_string === TRUE)
		{
			$this->base_url = rtrim($this->base_url).'&amp;'.$this->query_string_segment.'=';
		}
		else
		{
			$this->base_url = rtrim($this->base_url, '/') .'/';
		}

  		// And here we go...
		$output = '';

		// Render the "First" link
		if  ($this->cur_page > ($this->num_links + 1))
		{
			$output .= $this->first_tag_open.'<a onclick="' . $this->navigate_function .'(0);return false;" href="#">'.$this->first_link.'</a>'.$this->first_tag_close;
		} else {
			$output .= $this->first_tag_open_off.$this->first_link.$this->first_tag_close;
		}

		// Render the "previous" link
		if  ($this->cur_page != 1)
		{
			$i = $uri_page_number - $this->per_page;
			$output .= $this->prev_tag_open.'<a onclick="' . $this->navigate_function .'('.$i.')" href="#">'.$this->prev_link.'</a>'.$this->prev_tag_close;
		} else {
			$output .= $this->prev_tag_open_off.$this->prev_link.$this->prev_tag_close;
		}

		$output .= '<div class="button2-left"><div class="page">';
		// Write the digit links
		for ($loop = $start -1; $loop <= $end; $loop++)
		{
			$i = ($loop * $this->per_page) - $this->per_page;

			if ($i >= 0)
			{
				if ($this->cur_page == $loop)
				{
					$output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
				}
				else
				{
					$n = $i;
					$output .= $this->num_tag_open.'<a onclick="' . $this->navigate_function .'('.$n.');return false;" href="#">'.$loop.'</a>'.$this->num_tag_close;
				}
			}
		}
		$output .= '</div></div>';

		// Render the "next" link
		if ($this->cur_page < $num_pages)
		{
			$output .= $this->next_tag_open.'<a onclick="' . $this->navigate_function .'('.$this->cur_page * $this->per_page.'); return false;" href="#">'.$this->next_link.'</a>'.$this->next_tag_close;
		} else {
			$output .= $this->next_tag_open_off.$this->next_link.$this->next_tag_close;
		}

		// Render the "Last" link
		if (($this->cur_page + $this->num_links) < $num_pages)
		{
			$i = (($num_pages * $this->per_page) - $this->per_page);
			$output .= $this->last_tag_open.'<a onclick="' . $this->navigate_function .'('.$i.'); return false;" href="#">'.$this->last_link.'</a>'.$this->last_tag_close;
		} else {
			$output .= $this->last_tag_open_off.$this->last_link.$this->last_tag_close;
		}
		/*
		 * Huynq thêm Option goto Page
		 */
		if(!$this->add_select_page){
			$output .= '
			<div class="button3-left">
				<div class="page">
				<span>Đến trang</span>
			<script type="text/javascript">
				$(document).ready(function(){
					$("#gotoPage").change(function () {
					var curValue = this.value - 1;
					var limitValue = '.$this->per_page.';
					navigate(curValue*limitValue);
					return false;
					});
				});</script>';
			$output .= '<div style="float:left; margin-left:5px;"><select id="gotoPage" style="width:50px;height:26px;margin-right:6px;">';
			for ($loop = 1; $loop <= $num_pages; $loop++){
				$output .= '<option ';
				if($this->cur_page == $loop) $output .= 'selected="selected"';
				$output .= ' value="'.$loop.'">'.$loop.'</option>';
			}
			$output .=	'</select></div></div></div>';
		}

		$output .= $this->page_location_tag_open.sprintf($this->page_location, $this->cur_page, $num_pages ).$this->page_location_tag_close;


		// Kill double slashes.  Note: Sometimes we can end up with a double slash
		// in the penultimate link so we'll kill all double slashes.
		$output = preg_replace("#([^:])//+#", "\\1/", $output);

		// Add the wrapper HTML if exists
		$output = $this->full_tag_open.$output.$this->full_tag_close;

		//echo $output; exit();

		return $output;
	}
}
// END Pagination Class

/* End of file Pagination.php */
/* Location: ./system/libraries/Pagination.php */